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CVE-2026-5053

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CVE-2026-5053

Published: Apr 11, 2026

Modified: Apr 13, 2026

PUBLISHED

CVSS v3.0

7.1

HIGH

Description

NoMachine External Control of File Path Arbitrary File Deletion Vulnerability. This vulnerability allows local attackers to delete arbitrary files on affected installations of NoMachine. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of environment variables. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to delete files in the context of root. Was ZDI-CAN-28644.

VendorProductVersions

NoMachine

NoMachine

affected
9.3.7

Weaknesses (CWE)

CWE-73

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

References

ZDI-26-247
x_research-advisory

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